Endocrine system is the answer
The three methods of carbon dioxide transport in the blood are dissolution in blood plasma, binding to hemoglobin, and carried in the form of bicarbonate. About 7% of the carbon dioxide is dissolved in the blood plasma. The majority of the remaining 93% is carried as part of the bicarbonate buffer system while the rest binds to hemoglobin.
The homology of animals is based on scientists current understanding on the evolutionary history of living species.
Can we get a picture of the question?
No.Tissue is a group of cells.If the organisms is single called,it can't form a group to make tissues.
